State the principle of mathematical induction and use it to prove that;

1^2+2^2+3^2+...+n^2=1/6n(n+1)(2n+1)

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- Aug 9th 2006, 07:31 AMkodirlPrinciple of Mathy Induction.........
State the principle of mathematical induction and use it to prove that;

1^2+2^2+3^2+...+n^2=1/6n(n+1)(2n+1) - Aug 9th 2006, 08:21 AMgalactus
Presume is true, since

Presume is true:

Therefore,

=

=

=

=

So, is true. QED